#include <iostream>
#include<conio.h>
using namespace std;

class Rectangle
{
    int width, height;
  public:
    Rectangle() 
	{
	}
    Rectangle (int x, int y) : width(x), height(y)
	{
	}
    int area()
	{
		return width * height;
	}
    friend void printf (Rectangle param);
};
